🛡️ CVE-2025-59029 — recursor

🟡 CVSS 5.3 — Medium ✅ No Known Exploit CWE-617 NVD

5.3

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

An attacker can trigger an assertion failure by requesting crafted DNS records, waiting for them to be inserted into the records cache, then send a query with qtype set to ANY.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability low.

Weakness class

CVE-2025-59029 is classified as CWE-617: Reachable Assertion. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.

Affected software

CVE-2025-59029 is recorded against 1 package.

recursor

Timeline and source

Published on 9 December 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

docs.powerdns.com

CVE-2025-59029 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Debian Ubuntu

Details

Severity MEDIUM

CVSS Score 5.3

CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE CWE-617

Public Exploit ✅ No

Source NVD

Published 2025-12-09

Updated 2026-08-11

Modified 2026-06-17

Fix URL N/A

Affected Packages

Software	From version	Fixed in
recursor	—	—

References

Vendor Advisory https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2025-07.html

🔗 NVD 🔗 Mitre

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